import fs from 'fs';
const readStream = fs.createReadStream('./aaa.txt', {
    start: 8,
    end: 22,
    highWaterMark: 3
});

readStream.on('data', (data) => {
    console.log(data.toString());
    readStream.pause();
    setTimeout(() => {
        readStream.resume();
    }, 2000);
});